This year, Sigma Incorporated generated $657,000 income from its routine business operations. In addition, the corporation sold the following assets, all of which were held for more than 12 months: Marketable securities Production equipment Business realty: Land Building *Through date of sale. Required: Accumulated Initial Basis Depreciation* $ 172,400 93,600 237,750 277,000 Sale Price $ 0 $ 81,000 74,880 43,750 0 83,100 249,750 260,000 a. Compute Sigma's taxable income assuming that it used the straight-line method to calculate depreciation on the building and has no nonrecaptured Section 1231 losses. b. Recompute taxable income assuming that Sigma sold the securities for $177,200 rather than $81,000. Complete this question by entering your answers in the tabs below. Required A Required B Compute Sigma's taxable income assuming that it used the straight-line method to calculate depreciation on the building and has no nonrecaptured Section 1231 losses. Taxable income < Required A Required B >